The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

Volunteer-run library dedicated to exploring five decades of activism history.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

New York City's only preserved family home from the 19th century.

The factory for the popular Dumbo location, the Greenpoint shop is a quiet gem.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

Sniff the Titan Arum's rotting flesh.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

During the holidays, a vintage subway train whisks New Yorkers back in time.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

Ride the subways of yesteryear.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

The land is home to swimming ponies and a legendary 18th-century treasure.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

This restaurant was removed from the famed sister ship of the Titanic and placed within a hotel.

The sign at the garden gate reads: "These Plants Can Kill."

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

Wisconsin's most celebrated export gets the royal treatment on I-94.

An eatery for UFO seekers on the Extraterrestrial Highway.